sbin/hammer: Print key_end.lo instead of key_beg.lo on reblock
[dragonfly.git] / sbin / hammer / cmd_reblock.c
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1/*
2 * Copyright (c) 2008 The DragonFly Project. All rights reserved.
84e57c2c 3 *
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4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com>
84e57c2c 6 *
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7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
84e57c2c 10 *
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11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
16 * distribution.
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
84e57c2c 20 *
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21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
84e57c2c 33 *
84082922 34 * $DragonFly: src/sbin/hammer/cmd_reblock.c,v 1.11 2008/07/16 00:53:48 thomas Exp $
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35 */
36
37#include "hammer.h"
38
39static void reblock_usage(int exit_code);
40
41/*
f6532f03 42 * reblock <filesystem> [fill_percentage] (default 100%)
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43 */
44void
ba7b52c9 45hammer_cmd_reblock(char **av, int ac, int flags)
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46{
47 struct hammer_ioc_reblock reblock;
48 const char *filesystem;
49 int fd;
50 int perc;
51
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52 if (TimeoutOpt > 0)
53 alarm(TimeoutOpt);
54
3f673d5c 55 bzero(&reblock, sizeof(reblock));
58c17893 56
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57 reblock.key_beg.localization = HAMMER_MIN_LOCALIZATION;
58 reblock.key_beg.obj_id = HAMMER_MIN_OBJID;
243ca327 59 hammer_get_cycle(&reblock.key_beg, NULL);
58c17893 60
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61 reblock.key_end.localization = HAMMER_MAX_LOCALIZATION;
62 reblock.key_end.obj_id = HAMMER_MAX_OBJID;
58c17893 63
ba7b52c9 64 reblock.head.flags = flags & HAMMER_IOC_DO_FLAGS;
3f673d5c 65
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66 /*
67 * Restrict the localization domain if asked to do inodes or data,
68 * but not both.
69 */
9e29c876 70 switch(flags & (HAMMER_IOC_DO_INODES|HAMMER_IOC_DO_DATA|HAMMER_IOC_DO_DIRS)) {
58c17893 71 case HAMMER_IOC_DO_INODES:
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72 reblock.key_beg.localization = HAMMER_LOCALIZE_INODE;
73 reblock.key_end.localization = HAMMER_LOCALIZE_INODE;
58c17893 74 break;
9e29c876 75 case HAMMER_IOC_DO_DIRS:
58c17893 76 case HAMMER_IOC_DO_DATA:
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77 reblock.key_beg.localization = HAMMER_LOCALIZE_MISC;
78 reblock.key_end.localization = HAMMER_LOCALIZE_MISC;
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79 break;
80 }
81
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82 if (ac == 0)
83 reblock_usage(1);
84 filesystem = av[0];
85 if (ac == 1) {
9e29c876 86 perc = 100;
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87 } else {
88 perc = strtol(av[1], NULL, 0);
89 if (perc < 0 || perc > 100)
90 reblock_usage(1);
91 }
ba7b52c9 92 reblock.free_level = (int)((int64_t)perc *
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93 HAMMER_BIGBLOCK_SIZE / 100);
94 reblock.free_level = HAMMER_BIGBLOCK_SIZE - reblock.free_level;
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95 if (reblock.free_level < 0)
96 reblock.free_level = 0;
f02dcec0 97 printf("reblock start %016jx:%04x\nfree level %d/%d\n",
a276dc6b 98 (uintmax_t)reblock.key_beg.obj_id,
d58869bd 99 reblock.key_end.localization,
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100 reblock.free_level,
101 HAMMER_BIGBLOCK_SIZE);
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102
103 fd = open(filesystem, O_RDONLY);
104 if (fd < 0)
105 err(1, "Unable to open %s", filesystem);
445faa69 106 RunningIoctl = 1;
0006adae 107 if (ioctl(fd, HAMMERIOC_REBLOCK, &reblock) < 0) {
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108 printf("Reblock %s failed: %s\n", filesystem, strerror(errno));
109 } else if (reblock.head.flags & HAMMER_IOC_HEAD_INTR) {
a276dc6b 110 printf("Reblock %s interrupted by timer at %016jx:%04x\n",
58c17893 111 filesystem,
a276dc6b 112 (uintmax_t)reblock.key_cur.obj_id,
1d9f6aa1 113 reblock.key_cur.localization);
58c17893 114 if (CyclePath) {
243ca327 115 hammer_set_cycle(&reblock.key_cur, 0);
58c17893 116 }
0006adae 117 } else {
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118 if (CyclePath)
119 hammer_reset_cycle();
3f673d5c 120 printf("Reblock %s succeeded\n", filesystem);
0006adae 121 }
445faa69 122 RunningIoctl = 0;
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123 close(fd);
124 printf("Reblocked:\n"
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125 " %jd/%jd btree nodes\n"
126 " %jd/%jd data elements\n"
127 " %jd/%jd data bytes\n",
128 (intmax_t)reblock.btree_moves, (intmax_t)reblock.btree_count,
129 (intmax_t)reblock.data_moves, (intmax_t)reblock.data_count,
130 (intmax_t)reblock.data_byte_moves,
131 (intmax_t)reblock.data_byte_count
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132 );
133}
134
135static
136void
137reblock_usage(int exit_code)
138{
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139 fprintf(stderr, "hammer reblock <filesystem> [fill_percentage]\n");
140 fprintf(stderr, "hammer reblock-btree <filesystem> [fill_percentage]\n");
141 fprintf(stderr, "hammer reblock-inodes <filesystem> [fill_percentage]\n");
142 fprintf(stderr, "hammer reblock-dirs <filesystem> [fill_percentage]\n");
143 fprintf(stderr, "hammer reblock-data <filesystem> [fill_percentage]\n");
84082922 144 fprintf(stderr, "By default 100%% is used.\n");
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145 exit(exit_code);
146}
147